Q. Which is the smallest flightless bird?

A
Inaccessible Island rail
B
Penguin
C
Ostrich
D
Kiwi
Solution:
  • Flightless birds are birds that through evolution lost the ability to fly.
  • The smallest flightless bird is the Inaccessible Island rail (length 12.5 cm, weight 34.7 g).
  • The largest (both heaviest and tallest) flightless bird, which is also the largest living bird, is the ostrich (2.7 m, 156 kg).
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